Dorice “Dee Dee” Moore, 40, was convicted Monday of first degree murder for the 2009 murder of Florida lottery winner, Abraham Shakespeare, 43, after cheating him out of millions of dollars, reports the Huffington Post.

“She got every bit of his money,” said Assistant State Attorney Jay Pruner in closing arguments. “He found out about it and threatened to kill her. She killed him first.”

After sentencing Moore to the mandatory life without parole, Judge Emmett Battles called her “cold, calculating and cruel” and sentenced her to an additional 25 years behind bars. Moore’s court-appointed Byron Hileman attorney, said he will not represent her on appeal.

“I can sleep good at night because I know I had done the very best job,” Hileman said. “I feel sad for the victim. I feel sad for their families. I feel sad for the defendant because these types of cases are no-win situations.”

Shakespeare, who won $31 million in the Florida Lottery in 2006, disappeared in April of the same year. When family hadn’t heard from him by November 9, they reported him missing and police offered a $5,000 reward, reports CNN.

The Huffington Post reports:

Battles instructed the jury that it could convict the 40-year-old Moore of a lesser charge. Following the verdict, he called her “the most manipulative person” he had ever seen, describing her as “cold, calculating and cruel.”

Prosecutors built much of their case from confidential informant’s statements and financial records.

Moore was briefly banned from the courtroom Monday over concerns that she may have threatened jurors. She was back a short time later for closing arguments, but said she did not want to take the stand in order to protect her family.

At times, Moore closed her eyes and averted her face from the jury as prosecutors played audio recordings made by an undercover officer posing as a criminal who would take the fall for Shakespeare’s murder.

Prosecutors said Moore befriended Shakespeare in late 2008, claiming she was writing a book about how people were taking advantage of him. They claimed Moore later became his financial adviser, eventually controlling every asset he had left, including an expensive home, the debt owed to him and a $1.5 million annuity. She ultimately swindled Shakespeare out of his dwindling fortune, then shot him and buried his body under a concrete slab in her backyard, Pruner said.

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Moore initially claimed that drug dealers killed Shakespeare, but no evidence ever emerged to support that claim.

Polk County spokesperson, Donna Woods, said at the time of Shakespeare’s disappearance that it was not too far-fetched for a multi-million dollar lotto winner to leave for an extended period of time:

“We have a man who certainly has the means, being a lottery winner, to take himself into seclusion. If that’s what he has chosen to do, no law says can’t do that,” Woods said. “If that’s the case, all we need is a phone call or some confirmation to verify his well-being. But we can’t take the chance that something else might have happened.”

Shakespeare’s road to riches was rocky from the start.

Allegations were brought against Shakespeare by his co-worker, Michael Ford, that he stole the tickets from him. Ford claimed that the men, both truck drivers, “were driving to Miami, delivering meat to restaurants” when Shakespeare went into his wallet and grabbed the tickets.

Shakespeare’s attorney argued that he had actually given Ford money to buy the tickets for him when they stopped at a convenience store.

It took a jury less than 2 hours to side with Shakespeare in 2009, and another jury approximately 3 hours to convict Moore of his murder.